Sunroof operation logic improvement (SA620)
Kia technical service bulletin TSB_ELE390 for 2025 Kia K4.
- Bulletin number
- TSB_ELE390 (SA620)
- Component
- Electrical system
- Summary
- TECHNICAL SERVICE BULLETIN: SERVICE ACTION: SUNROOF OPERATION LOGIC IMPROVEMENT (SA620) - This bulletin supersedes TSB SA595 (December 2024) and outlines the procedure to update the Roof Control Module (RCM) software on certain 2025MY K4 (CL4) vehicles produced between September 19, 2024, through May 28, 2025, which may experience inoperative sunroof operation (open/close) due to a software logic error. The updated software includes improved logic to address this issue.
Owners of these vehicles have filed 16 complaints in the electrical category.
Vehicles covered
VIN decoder
See the problems and recalls for an exact car
Buying a used Kia K4?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history